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Author Topic: Core v0.12.1  (Read 582 times)
1337leet
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April 21, 2016, 06:52:41 PM
 #1

Hey guys,

I had a problem with my wallet v0.11.0 - now I installed 0.12.1 but still have got fatal errors.
Here's the debug.log:

Quote
2016-04-21 18:48:06 UpdateTip: new best=0000000000000000009b7c28bf53cf357ba7accf13493a5b8154af2db0ed103b  height=407251  log2_work=84.484111  tx=122350139  date=2016-04-14 12:19:24 progress=0.995337  cache=63.9MiB(36604tx)
2016-04-21 18:48:16 Corruption: block checksum mismatch
2016-04-21 18:48:16 *** System error while flushing: Database corrupted
2016-04-21 18:48:24 ERROR: ProcessNewBlock: ActivateBestChain failed
2016-04-21 18:48:24 tor: Thread interrupt
2016-04-21 18:48:24 torcontrol thread exit
2016-04-21 18:48:24 opencon thread interrupt
2016-04-21 18:48:24 addcon thread interrupt
2016-04-21 18:48:24 scheduler thread interrupt
2016-04-21 18:48:24 net thread interrupt
2016-04-21 18:48:24 msghand thread interrupt
2016-04-21 18:48:24 Shutdown: In progress...
2016-04-21 18:48:24 StopNode()
2016-04-21 18:48:24 UPNP_DeletePortMapping() returned: 403
2016-04-21 18:48:24 upnp thread interrupt
2016-04-21 18:48:24 Corruption: block checksum mismatch
2016-04-21 18:48:24 *** System error while flushing: Database corrupted
2016-04-21 18:48:47 Shutdown: done


Anyone knows how to solve this problem?
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April 21, 2016, 07:02:58 PM
 #2

It looks like you have a corrupt database. Try reindexing the database.

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April 22, 2016, 09:56:45 PM
 #3

Knightdk is right. It is a disk corruption issue.

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leveldb keeps its own checksums of all data it writes, when it notices during compaction that these mismatch it will return the error on the next flush.
https://github.com/bitcoin/bitcoin/issues/6528

1337leet
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April 24, 2016, 04:40:48 PM
 #4

I reindexed and now it works... but I did this like 10 times in the past... I get this errors all few weeks...
I always close the wallet right... don't know why I always get those annoying problems.
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April 24, 2016, 04:42:26 PM
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I reindexed and now it works... but I did this like 10 times in the past... I get this errors all few weeks...
I always close the wallet right... don't know why I always get those annoying problems.
It could be your hardware. Maybe you have a bad hard drive?

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April 24, 2016, 04:44:49 PM
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The wallet and all it's parts (also the blockchain) are stored on an external HDD. Usually it works.. but sometimes it doesn't.
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